Off vs Gridless
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Off
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Off-Grid is a secure, serverless messenger built for people who take privacy seriously. Messages travel peer-to-peer over Bluetooth mesh — no servers, no accounts, no logs. When you send a message, it hops through nearby devices to reach its destination. Nothing touches the internet. SECURE BY · End-to-end encrypted with AES-256-GCM · Zero metadata — no sender, no timestamp, no read receipts stored anywhere · Messages exist only in RAM — close the app, they're gone · No account registration, no phone number, no email MESH NETWORKING · Works without Wi-Fi or cellular · Range extends through every device running DataSec nearby · Location-based channels let you communicate with people in the same area · Direct encrypted messages to specific peers ENCRYPTED VOICE CALLS (Pro) · Real-time P2P encrypted voice calls · Voice effects — Deep, High, Robot · No call servers log your conversations OPERATIONAL SECURITY · PIN lock with biometric authentication · Lockout after failed attempts — survives app kill · Auto identity rotation — randomizes your alias every 4 seconds · Panic wipe DataSec does not have access to your messages. We cannot read them, hand them over, or be compelled to produce them. There is nothing to produce. This software is subject to U.S. export control laws (EAR). ECCN 5D002, CCATS Z1894258. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Gridless
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Two iPhones. One private room. No internet, no signal, no account. Free to try. Gridless is an offline messenger for exactly two people. Meet once, scan a QR code, and your phones share an end-to-end encrypted room over Bluetooth. Come near each other again and the room reopens, ready to text and send photos with no network at all. OFFLINE, ON PURPOSE - On the plane, across the aisle, everything in airplane mode - On the subway, deep below the last bar of signal - At the festival, when a hundred thousand phones swamp the towers - At the campsite, the cabin, the cruise, the blackout - Abroad together, with no data plan between you - At home, when what you two say is nobody's business but yours ONLY YOU TWO CAN READ IT - Every message is encrypted between your two phones. The keys exist nowhere else - No servers, no cloud. Nothing is stored in the middle, because there is no middle - No account, no phone number, no email. App Privacy: Data Not Collected - Compare your safety number in person to confirm no one is between you - Photos are compressed, stripped of location, and never uploaded anywhere LOCKED ON THE PHONE TOO - Your history sits behind Face ID or a passcode, plus a passphrase - Delete all data: one tap, permanent HOW NEAR IS NEAR Bluetooth reaches about a room or two, and walls matter, so this is for the person beside you, not across town. Out of range, your words wait on your phone and deliver the moment you are back together. In range, messages keep landing in your pocket, with notifications, for days at a time. Fully close the app and the room ends until you reopen it. FREE TO TRY Pair with anyone and use the whole app together, free. After your free days, reading and receiving stay free, and unlimited sending is Gridless Pro: yearly with a 7-day free trial, monthly, or a one-time lifetime purchase. One person's Pro covers the room for both of you. Some conversations don't need the whole internet. Just the person in the next room. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is iOS requirement: Gridless at 15.0 against Off's 26.2. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Off sells 2 in-app purchases, starting at $4.99 per 7 days and Gridless sells 4 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | Off | Gridless |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 26.2 | 15.0 — better |
| Further details — not scored | ||
| Size | 15 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | Adham Qurbonov | Mediaville Co., Ltd. |
In-app purchases
Off
- DataSec Pro Monthly$4.997 Days
- DataSec Pro Yearly3 Days trial$29.991 Year
Gridless
- Gridless Pro (Monthly)$1.991 Month
- Gridless Pro (Welcome)7 Days trial$9.991 Year
- Gridless Pro (Yearly)7 Days trial$14.991 Year
- Gridless Pro (Lifetime)$39.99









